Author

Xiao-Hang Wang

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#artificial intelligence Preprint Sep 2026

Seek Before You Move: Evidence Seeking for Progress Grounding in Vision-Language Navigation

Vision-Language Navigation (VLN) requires agents to continuously ground task progress from long-horizon instructions and partial egocentric observations. Existing VLM-based navigation agents typically reason only over available observations and may remain confident even when task-relevant evidence is missing. For examp...

Zhi-Min Wang, Mei-Yuan Zhu, Duo Wu et al. · 0 citations

#artificial intelligence Preprint Sep 2026

Achieve What You Imagined: Learning to Align Actions with Visual Plans

World-action models can jointly predict future visual observations and robot actions. However, discrepancies may exist between their visual predictions and the consequences implied by generated actions. We observe that WAMs can often generate visually plausible task-completion outcomes before producing action sequences...

Yu-Heng Qiao, Zi-Ran Wei, Xiao-Hang Wang et al. · 0 citations